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1. 27 9 6 Setting the input impedance conpensation l Co to select the input impedance compensation 500 gt 75Q When 509 758 coaxial impedance matching pad is attached and choose 750 then offset is calculated to the reference level and it changes for the measured value as 75Q system and display it When 752 is selected 750 is displayed in the LEVEL area on the screen When 750 is selected the offset is set to 5 7dB insertion loss of 5092 75 coaxial impedance matching pad Moreover can set offset Moreover while setting the unit of the marker point to W V V m etc it changes from dBm correctly When you set it as 750 please be sure to attach 502 752 coaxial impedance matching pad 10 Display Scale lt SCALE gt Press SCALE to switch over to the function screen shown below 10dB 2dB OMEGA 10 1 Setting with the keys F1 F2 1 Press to set the 10dB div display scale 2 Press to set the 2dB div display scale 10 2 Setting with the encoder 1 Turn L to switch between the 10dB div and 2dB div display scale 10dB 2dB In 2dB div display level may not become smaller than fixed level by frequency compensation _28 11 Resolution Bandwidth lt RBW gt Press to switch over to the function screen shown below Any selected parts of MANU AUTO and ALL become inverted display 11 1 MANUAL mode 1 Press or turn the to enter MANUAL mode
2. Only the last one trace is saved 16 6 SPURIOUS FREE mode 1 By pushing it will become the SPURIOUS FREE mode which simply deletes spurious characteristic at band 1 SPR is displayed beside CALC in liquid crystal screen CALC area Refer to 4 Description of Display for details The SUPURIASU characteristic at band 1 is a spurious calculated by the following formula for a input signal over 6 76GHz in case of measurement at band 1 Refer to 8 Frequency Span for details Spurious characteristic at band 1 GHz Input signal GHz 5 64GHz 2 SPURIOUS FREE mode 1 SPURIOUS FREE mode is the mode which simply deletes SUPURIASU characteristic at band 1 2 SPURIOUS FREE mode has a special effect in measurement of a regular wave 3 If SPURIOUS FREE mode is used in measurement of a signal with level change or frequency change the phenomenon will happen that an amplitude level falls How to discriminate SPURIOUS characteristic at band 1 in manual operation The procedure for discriminating SUPURIOS characteristic at band 1 is as follows 1 Set to SPAN 10MHz 2 Set the frequency of SUPEKUTORAMU to be discriminated to the center frequency of 2658 3 Verify that SUPEKUTORAMU to be discriminated is at the center of a screen and change the main frequency by 1MHz 4 Judge by measured trace data The same frequency as the frequency set up first gt Measurement data B 2MHz over Main frequency changed by 1MH
3. L Set the center frequency 16 REFER RBW VBW MEAS Refer to 9 Reference Level for details UNIT om aw ow TTS L Set the reference level Refer to 11 Resolution Bandwidth for details Set the RBW Refer to 12 Video Bandwidth for details Set the VBW 1 2 Refer to 19 Measuring Function for details Gn Adj ChPw REFERENCE os wom one won Oe was e rea EE Lada Input the probe ID first time only Refer to 19 5 Magnetic field strength measurement for details CALC Refer to 16 Calculation Function for details 18 SCALE SWEEP RS232C lr rr nt r NOR e Ce Cad Cl Oa Refer to 16 Display Scale for details L Set the display scale THE ta S1I Cerrone Aurina Mati atina AnA Fan datolla Ore Refer to 17 Marker Peak Search for details Changing for marker mode of the one that selected it last NORM PEAK NEXT dBm W ie Cere ee L Move the marker position NORM mode F3 Changing the marker mode NORM DELTA CONV dBm W as j om wi Set the zone center frequency ZONE mode Refer to 22 Data Output for details 19 L Set the trace to transfer DSPL Refer to 20 Screen Control for details L Set the co
4. within 30 of RBW RBW 100kHz to 3MHz T Sweep time s T Sweep time s OHz zero span 200kHz to 5GHz 1 2 5step and 8 5GHz full span within 3 420TkHz 1dot frequency span 200kHz to 10MHz 23 5 C within 3 200TkHz 1 dot frequency span 20MHz to 8 5GHz 23 5 C T Sweep time s Frequency span 250 Frequency span 1000 only the measurement by RS 232C communication 251dots 100 1dots only the measurement by RS 232C communication The unit displays data in 251 horizontal dots but it internally captures the trace in 1001 dots 3dB bandwidth 3kHz to 3MHz 1 3step and AUTO within 20 1 12 typical 3dB 60dB 100Hz to 1MHz 1 3step and AUTO 90dBc Hz typical 100kHz offset RBW 3kHz VBW 100Hz Sweep time 0 35 less than 60dBc less than 40dBc LOOM Hz to 8 5GHz 10 to 60dBm 1dB step within 0 8dB 1dot center frequency 100MHz RBW 3MHz VBW 1MHz ATT 0dB 23 5 C Unit Average noise level Frequency Characteristic Input impedance Input VSWR Input attenuator Operating range Switching error RBW switching error Display dot number Display scale Scale Accuracy Input damage level Sweep section Sweep time Setting range Accuracy Trigger mode Detection mode Functions Marker Peak search dBm dBV dBmV dBuV dBuV m dBuA m dBuV m and dBuA m is used the measuring function 110dBm typical center frequency 1GHz RBW 3kHz VBW 100Hz within 2 0dB 1dot 100kHz to 100M
5. E N NINJIN wo wl ow NIAJN wo ojojo wo wo wo w sojo CALC F4 DSPL F2 BACK SPAC FREQ F 5 F 6 OFSdB REFER F OVRWR CALC F B BAND CNTR MEAS gt F6 gt F1 wo F1 gt F2 BAND WIDT MEAS gt F6 gt F1 wo wo wo gt F1 gt F3 I MEA S gt F 1 wo wo wo lt wo PEAK SEARCH MKR SAVE LOAD F6 PROBE MEAS F6 gt F5 RBW ALL RBW F RBW AUTO RBW F RBW MANU RBW F 1 REFERENCE CN MEAS F6 F2 38 REFERENCE WI MEAS F6 F2 DTH gt F5 s SAVE LOAD F 3 MKR F 6 DSPL F 1 SWE E P E 4 4 n N y n iN DISP CLEA SAVE LOAD F 4 RES PEAK SEARCH MKR F3 F4 CNTR PEAK SEARCH MKR F3 F5 NEXT PEAK SEARCH MKR F3 F3 NORM PEAK SEARCH MKR PEAK SEARCH MKR OE SAVE SAVE LOAD F SCALE 10dB SCALE F SCALE 2dB SCALE F SET MKR FREQ F SWEEP ALL SWEEP F Ea a 20 il coni i i a E Ea M F PROBE MEAS gt F6 gt F5 TRACE RS232C gt F MAXHD CALC gt F UNIT REFER gt F1 4 VBW ALL VBW F MINHD CALC F VBW AUTO VBW F MKR DELTA MKR F VBW MANU VBW F MKR NORM 5 2 Menu tree The displayed items on the bottom of the screen correspond to the function keys under them as shown in the figure below Displayed items on the bottom of the screen Power Ch Pw BW ANT PROBE Refer to 7 Center Frequency for details CENTER FREQ Keysr Enest SET Le JT gt Loom om _mw me
6. and then take sufficient care to perform the replacement Use 5A 250V fuse IEC127 2 sheet 3 slow blow type Never use a fuse not specified because doing so may cause damage to the unit Guarantee of quality Guarantee period Guarantees that the unit will be repaired for any failure free of charge if the failure occurs because of our responsibility within one year after original owners date of purchase However the above guarantee does not apply to such a failure that 1 is caused by a fire natural disasters etc 2 is caused by inappropriate handling of the unit such as dropping it while moving it after purchasing 3 is caused by handling counter to the instructions or precautions listed in the operating manual 4 is caused by modifying the unit or by being considered to be your responsibility because of inappropriate use We will not be responsible for direct or indirect damage caused by use of this product or by a failure of this product Warm up time In order to stabilize the electric performance at the time of turning on the unit please perform warming up for at least 10 minutes Precautions for storage 1 Strictly observe the storage conditions specified for this unit such as avoiding direct sunlight and dust 2 Store this unit in a place where 20 C to 60 C less than 60 C 70 RH variations in temperature and humidity are small After service If you have any question about the contents of this product or h
7. GSM 2 4GHz band wireless LAN Bluetooth etc 3 Operation with battery for 120 minutes When battery BP 2650 is new amp fully charged 2650 2658 works for about 120 minutes with the back light turned off It is extremely convenient for outdoor use and for use in the survey of wireless LAN installation environment 4 Performance that is comparable to that of large size bench type equipment 2650 2658 guarantees a highly stable frequency axis by PLL synthesizer system The center frequency setup resolution is 100kHz Furthermore the mean noise level is 110dBm or less Thus a broad dynamic range is secured and the reference level can be set in 1 dB steps 5 Abundant functions Measuring functions Channel power measurement Adjacent channel leakage power measurement Occupied frequency bandwidth measurement Electric field strength measurement Magnetic field strength measurement optional Electric field strength measurement Optimum for measurement of cellular phone and wireless LAN working environment Magnetic field strength measurement Optimum for EMI design of printed circuit boards and for evaluation of signal quality e Calculation functions MAX HOLD MIN HOLD AVERAGE OVER WRITE Marker amp peak search Save load 6 Auto tuning The center frequency is set at the spectrum of the maximum level in the 3 3GHz 2650 8 5GHz 2658 band and in addition optimum reference level resolution bandwidth video bandwidth and
8. ON H or uri Y RE Unit mm B amp K Precision Corporation reserves the right to make changes in design specification and other information without prior notice 10 3 Description of Panel 7 URET GIN Loder LE eee SPECTROM ARAL ITER 17 ARONET 4 aGHr 2650 5 tO JE iI i CLA u Do Pie Re 2ae0 AnD Fi lis lee 1 2 3 4 8 9 LCD screen This is a large liquid crystal display with 240 V x 320 H dots It simultaneously displays traces 8 div x 10 div various setting values measured values etc Input connector SMA J connector Input connector for DC power source Connects AC adaptor BC2650 RS 232C connector Connects PC and printer by using RS 232C cable Function keys F1 to F6 Functions change according to operation Have functions corresponding to the on screen displays Center frequency key 2650 Use this key to set the center frequency It can set between 0 to 3 3GHz 100kHz step 2658 Use this key to set the center frequency It can set between 0 to 8 5GHz 100kHz step Frequency span key 2650 Use this key to set the frequency span It can set between 200kHz to 2GHz ZERO SPAN and FULL SPAN 3 3GHz 2658 Use this key to set the frequency span It can set between 200kHz to 5GHz ZERO SPAN and FULL
9. Use to set the RBW 3kHz gt 10kHz gt 30kHz gt 100kHz lt gt 300kHz gt 1MHz gt 3MHz 11 2 AUTO mode 1 When is pressed optimum RBW is set according to the settings of SPAN and SWEEP Since is displayed on the right end of RBW setting value display portion of a screen when set as AUTO mode it can check being set as AUTO mode 11 3 ALL AUTO mode 1 When is pressed optimum RBW VBW and SWEEP are set according to the setting of SPAN Since will be displayed on the right end of each setting value display portion of RBW VBW and SWEEP if ALL AUTO mode is set up it can check being set as ALL AUTO mode When RBW is set as 3kHz or 10kHz selectivity 60dBc becomes larger than an actual value by influence of SSB phase noise 12 Video Bandwidth lt VBW gt Press to switch over to the function screen shown below Any selected parts of MANU AUTO and ALL become inverted display 29 12 1 MANUAL mode 1 Press or turn the L to enter MANUAL mode Use L to set the VBW 100Hz gt 300Hz gt 1kHz lt gt 3kHz gt 10kHz gt 30kHz 7 100kHz lt lt 300kHz gt 1MHz 12 2 AUTO mode 1 When is pressed VBW is set according to the settings of SPAN and SWEEP Since is displayed on the right end of VBW setting value display portion of a screen when set as AUTO mode it can check being set as AUTO mode 12 3 ALLAUTO mode 1 When is pressed RBW VBW and SWEEP are set
10. according to the setting of SPAN Since will be displayed on the right end of each setting value display portion of RBW VBW and SWEEP if ALL AUTO mode is set up it can check being set as ALL AUTO mode 13 Sweep Axis Detection Mode lt SWEEP gt Press SWEEP to switch over to the function screen shown below Any selected parts of MANU AUTO and ALL become inverted display When F4 is pressed the part of DET become inverted display 13 1 MANUAL mode 1 Press or turn the L to enter MANUAL mode Use L to set the SWEEP 10ms gt 30ms gt Qis lt gt 035 15 3s 10s lt gt 30s 2650 Can t set 10ms at the FULLSPAN 2658 30ms to30s and AUTO Span 0 to 5GHz 0 1 to 30s and AUTO Full span 13 2 AUTO mode 1 When is pressed SWEEP is set according to the settings of SPAN and RBW Since is displayed on the right end of SWEEP setting value display portion of a screen when set as AUTO mode it can check being set as AUTO mode 30 13 3 ALLAUTO mode 1 When is pressed RBW VBW and SWEEP are set according to the setting of SPAN Since will be displayed on the right end of each setting value display portion of RBW VBW and SWEEP if ALL AUTO mode is set up it can check being set as ALL AUTO mode 13 4 Setting the Detection mode 1 Pressing allows you to change the method to capture the trace CC PosPK gt SMPL NegPK J PosPK Positive Peak Traces the max
11. dots but it internally captures the trace in 1001 dots 3dB bandwidth 3kHz to 3MHz 1 3step and AUTO within 20 1 12 typical 3dB 60dB 100Hz to 1MHz 1 3step and AUTO 90dBc Hz typical 100kHz offset RBW 3kHz VBW 100Hz Sweep time 0 3s less than 60dBc less than 40dBc 100M Hz to 3 3GHz 10 to 60dBm 1dB step within 0 8dB 1 dot center frequency 100MHz RBW 3MHz VBW 1MHz ATT 0dB 23 5 C 8 Unit Average noise level Frequency Characteristic Input impedance Input VSWR Input attenuator Operating range Switching error RBW switching error Display dot number Display scale Scale Accuracy Input damage level Sweep section Sweep time Setting range Accuracy Trigger mode Detection mode Functions Marker Peak search dBm dBV dBmV dBuV dBuV m dBuA m dBuV m and dBuA m is used the measuring function 110dBm typical center frequency 100MHz RBW 3kHz VBW 100Hz within 2 0dB 1dot 100kHz to 100MHz within 1 0dB 1dot 100M Hz to 3 3GHz 500 less than 2 0 0 to 25dB 1dB step coupled with reference level within 0 6dB within 0 6dB 200dots 10dB div 2dB div within 0 8dB 10dB 1dot within 0 2dB 2dB 1dot within 1 6d4B 70dB 1dot 23dBm CW average power 25VDC 10ms to 30s 1 3step frequency span 0 to 2GHz and AUTO 30ms to 30s 1 3step frequency span full span and AUTO within 0 1 1dot frequency span 0 to 2GHz within 1 5 1dot frequency span full
12. it goes into electric field measurement mode or magnetic field strength measurement mode once again it can measure in the same state 6 About the antenna gain In this contents the antenna gain is meaning absolute gain dBi When antenna gain is relative gain it can change into absolute gain by adding 2 15dB Absolute gain dBi Relative gain dBd 2 15dB As reference the conversion formula to electric field strength is using the following E V 4802 x Pa Gax 2 E Electric field strength V m Pa Received electric power W Ga Antenna gain times 10m gain dBi 10 2 Wavelength m 3 10 frequency Hz 23 6 Sample program An example program to send following setting with RS 232C is shown below Setting Center frequency 1GHz 10 FREQ SETTING 20 OPEN COMI N81N AS 1 30 PRINT 1 FREQIG FREQIG OUTPUT 40 INPUT 1 A OK READ 50 CLOSE 1 61 2005 05 25 24 PC Software optional This is the software AK 2650 that controls 2650 2658 by RS 232C All setting can be performed from PC Although the 251 points of trace data is displayed on horizontal axis in the screen of the 2650 2658 1001 points of trace data are taken per sweep When this software is used all of these 1001 points dataare transformed to a PC and trace is displayed at high resolution Corresponding OS Hardware Requirements Computer that is able to act normally Windows and able to use the COM
13. key Sets baud rate and transfers a current or saved trace 21 Display control key Sets contrast backlight ON OFF brightness of backlight invert display and buzzer ON OFF 22 Rotary encoder Use this to make various settings 23 Power switch Use this to turn the power ON or OFF 13 4 Description of Screen Frequency axis setting values display Center frequency Frequency span Resolution bandwidth Video bandwidth Amplitude axis setting values display Reference level Input attenuator Display scale Sweep axis setting values display Sweep time Detection mode Calculation function display Measuring function display Operating information display Loaded trace information display This is also used as a setting values display when the measuring function is used Trace display 10div x 8div CG CEEP CEL CKS CGI den ARE pag EE ed PEAK SEARCH NORM DELTA NORM PEAK NEXT Display for function keys Measured values display 14 5 Function Key Menu 5 1 List of the Function key menus The types of function keys are shown in the table below For description of each function see the detailed isa es For the flow of change in the function key display refer to 5 2 Menu tree Detailed g es eS page page OF ali 39 MODE MEAS F6 F2 3 4F1 Adj Ch Pw Ch Pw MEAS F6 F2 Adj Ch WI MEAS F6 DTH F 3 N ANT MEAS F6 F5 NORM CALC4F 4
14. magnetic field strength measurement used the magnetic field probe prepared by the visitor it is necessary to write the data of the antenna gain or the magnetic probe field compensation coefficient to 2650 2658 main unit Please write the antenna gain or the magnetic probe field compensation coefficient according to the following description There are two kinds of methods method 1 use PC software AK 2650 optinal and method 2 use communication program which is prepared by user 1 Preparation things RS 232C interface cable Windows PC with RS 232C interface It is not writable with 2650 2658 main unit only PC software AK 2650 case of Method 1 of writing data 2 Write in data As example the compensation data antenna gain of antenna AN 305 and the compensation data compensation coefficient of magnetic field probe PR 26M are shown below Compensation data antenna gain of antenna AN 305 300MHz 350MHz 400MHz 450MHz 500MHz EE Compensation data compensation coefficient of magnetic field probe PR 26M 2GHz 86 748 6924B 50748 44948 40 14B 59 Here although the number of data is five points it is possible to write even the data of maximum of ten points Data cannot be written in OHZ 3 Method 1 of writing data The method which used the optional PC software AK 2650 Please use AK 2650 of the version more than 1 03b The software can be updated Please contact
15. the frequency span The frequency span can be set only with the encoder Function keys are not available 2650 When o is turned the frequency span changes in the specified step ZERO gt 200k lt gt 500k IM 2M 5M 10M J 20M gt SOM 100M gt SOOM IG 2G gt FULL 3 3G Hz 24 2658 When is turned the frequency span changes in the specified step ZERO 200k _ 500k lt IM _2M _5M 10M 20M lt gt SOM lt gt 100M 500M IG 2G 5G FULL 8 5G Hz Switching frequency band 2658 consists of the following three bands Frequency band Measured frequency range Base band 50kHz to 3 5GHz Band 1 3 3GHz to 6 3GHz Band 1 6 2GHz to 8 5GHz The frequency band is selected to be the least band number based on Center frequency and Span At the span less than 200MHz only one band is used When the setting frequency range belongs to two bands the lower band has priority Note Switch frequency band allows only to automatical setting The frequency connection point of two bands is fixed as below table Two bands Frequency connection point Base band and band 1 3 4GHz Band 1 and band 1 6 2GHz Note The trace may fall into disorder just a little at the frequency connection point For the precise measurement is needed Center frequency or Span should be set so that the measured frequency rang
16. the maximum value of each point of trace data is displayed as a trace and then sweep is halted 2 4 8 16 gt 32 64 128 256 512 1024 gt sk unlimited MAX number of sweeps is displayed in the CALC area on the LCD screen Refer to 4 Description of Display for details 16 3 MIN HOLD mode 1 Press Use L to set the number of sweeps 2 Sweeps are performed the set number of times the minimum value of each point of trace data is displayed as a trace and then sweep is halted 2 4 8 16 32 64 128 Si 256 512 1024 gt dz unlimited MIN number of sweeps is displayed in the CALC area on the LCD screen Refer to 4 Description of Display for details 16 4 AVERAGE mode 1 Press Use to set the number of sweeps 2 Sweeps are performed the set number of times average value of each point of trace data is displayed as a trace and then sweep is halted 2 41 8 16 32 64 123 256 AVG number of sweeps is displayed in the CALC area on the LCD screen Refer to 4 Description of Display for details 32 16 5 OVER WRITE mode 1 Press to enter into the OVER WRITE mode where traces are written one over another The number of sweeps is unlimited OVER WR is displayed in the CALC area on the LCD screen Refer to 4 Description of Display for details
17. with a receiver for calibration microwave power meter etc ww Settingof 2650s of 2650 Center 2i BRIW Specifications Measurement value Judgment agy C sonz 200KH io wini emme Beit mar 200kH 30KH2 Witin Referencea2 6aBz1dot O Mile omz 10087 Within References 6uBzidot TOM TOMBE me Resepi E Within Reference OdBeldo RBW switching error is included at RBW other than 3MHz bi ei ia L RHH Refeene CC L L L Setting of 2650 Setting of calibration unit Reference level 15dBm Frequency Same as a center frequency of VBW IMHz 2650 Sweep time Is Detection mode SMPL Output power Adjust the power indication of Display scale 2dB div 2650 to 15dBm 63 25 2 Accuracy of reference level Adjust the output level of the calibration unit so that the displayed value of this unit is the Oth div from the top and calibrate the absolute value with the receiver for calibration microwave power meter etc Setting of 2650 Reference level Ra within 1 4dB dot 15dBm ne within 0 8dB 1 dot Input attenuator switching error is included at the reference level other than 15dBm Setting of 2650 Center frequency Frequency span RBW VBW Sweep time Detection mode Display scale 100MHz 10MHz 3MHz 1MHz ls SMPL 2dB div Setting of calibration unit Frequency 100MHz Output power Adjust it so that the indicated value of 2650 is at the Oth
18. 0MHz 100MHz 7 2 Setting with the encoder 1 When a is turned the center frequency changes in the set step size 2 Setting the step size Each time is pressed it is set in the following order 0 1MHz gt 1MHz gt 10MHz 100MHz 7 3 Setting with the numeric keys 1 Press to enter into the numeric key input mode FS functions as the lt CLEAR gt key F6 functions as the lt BACK SPACE gt key In this mode setting with F1 F2 or the encoder is not accepted 2 The center frequency can be directly input according to the Numeric Key Mapping Diagram 3 The value is entered by pressing a unit key MHz RS232C or GHz DSPL Any figures below the resolution 100 kHz will be discarded 23 4 Changing the setting Deletes the entire value and allows you to input one from the beginning Deletes the last input figure 5 Canceling the numeric key mode Enables setting with step keys F1 F2 or the encoder again Numeric Key Mapping Diagram AUTO 1 2 3 4 5 HOLD SAVE 6 7 8 9 0 S n MHz GHz 7 4 According to the Marker position 1 When is pressed the center frequency is set according to the frequency of current marker position Any figures below the resolution 100 kHz will be discarded This does not operate when the marker is not displayed and the function display disappears 8 Frequency Span lt SPAN gt Press SPAN Use Co to set
19. 3 17 Marker Peak Search lt MKR gt 0 34 17 1 Moving the marker gt 0 0 edili eee oe wooed eed dee 34 17 2 Setting the peak search lt PEAK SEAR H gt LL 35 17 3 Changing the unit of marker post sorio a IRE SA OH OR eae eee 35 18 Save Load lt SAVE LOAD gt looa 36 18 1 Saving the data Deta ara R E let Leelee Lee ii 36 18 2 OS TORIA SAC FIA a TR SERE OC OCA COCA ORO eR A MAAS AS NOE E CURTI 36 18 3 Clearing the data eed ah atl Lat TITEL 37 18 4 Clearing the loaded trace spirale Ge RR De ae Gd Sed leeks 9 37 18 5 Presetting Initialization ee igh dl ASSISI LI ee eo ead SS 37 19 Measuring Function lt MEAS gt dd ee 38 19 1 Channel power measurement lt Ch Power gt es 39 19 2 Adjacent channel leakage power measurement lt Adj Ch Pw gt Li 40 19 3 Occupied frequency bandwidth measurement lt Occ Bw gt ll 41 19 4 Electric field strength measurement lt E FANT gt ss ee 42 19 5 Magnetic field strength measurement lt M F PROBE gt optional naaa aaa 47 20 Screen Control lt DSPL gt 49 20 1 Adjusting the contrast eee 49 20 2 Switching ON and OFF the LCD backlight 000 49 20 3 Adjusting the brightness of the LCD backlight 0 49 20 4 Inverting the display distogliere iaia 49 20 5 Enabling or disabling the beep 49 21 Printing lt PRINT gt optional 0 50 21 1 Hard copy of the screen lille elba ene 50 22 Data Output lt RS232C gt a 51 22 1 Selecting the trace to transfer a
20. 6 9 3 Reference level setting range for each unit 26 9 4 Relation between the reference level and ATTTAMP O 27 9 5 Setting the offset level Jig ceca pale Bd oa Bae FRA RPO RS ETE SEER EEE OO 27 9 6 Setting the input impedance correction n on naaa 28 10 Display Scale lt SCALE gt ll 28 10 1 Setting with the keys Luca anaa a 28 10 2 Setting with the encoder fee Bi era ear ee LA 28 11 Resolution Bandwidth lt RBW gt 29 III MANUAL mode TTT 29 IL AUlOmede TTT 29 11 3 ALLAUTO mode gk kG whe we oh lai 848d ie talee rasi 29 12 Video Bandwidth lt VBW gt 29 S BO C HES Se iui ESS eRe VERRETE 30 R2AUTO e TTT 30 IZ3ALLAUTO Mod ereinen ese AER oes ee RT A a 30 13 Sweep Axis Detection mode lt SWEEP gt 30 IL MANUALE ond Ge i oe ae er peer iagne RARRAA RRR SOF ER RRO 30 13 2 AUTO mode 264 ean ae we wre sew EG ASR a 30 13 3 ALL AUTO mode hc ae ee Rw di ene pena PE RTRT ERE BOOM BERRA EEES SS 31 13 4 Setting the dete tion mod lt s ee eR RRR RRR RRR 31 14 AUTO Tuning lt AUTO TUNE gt ee 31 15 Hold Run lt HOLD RUN gt 31 16 Calculation Function lt CALC gt 31 DISTER POO ira nale Bi ara ds A ora pae aca y rene Se i oli clint R N da 32 16 2 NIAS HOED Mm des Lire iii a ehi 32 16 3 MIN HOLD mode 66 535 dey ak RR oil el 4h eee OS 5 32 IGAAVERAGE Mode burrone eine ame aelred 32 16 5 OVER WRITEONOORS a wal 6 vin idiot ene etto inietta 33 16 6 SPURIOUS PREEMOGE otel RE es pete ve T AR Ge ea 3
21. BK CISIONI Instruction Manual Model 2650 3 3GHz Model 2658 8 5GHz Spectrum Analyzer Before Starting to Use the Unit When you use the unit please observe the following notes listed on the rear of the body A WARNING NO OPERATOR SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL PRIOR TO USE BE FAMILIAR WITH SAFETY INSTRUCTIONS IN THE MANUAL A CAUTION FOR CONTINUED FIRE PROTECT REPLACE ONLY WITH SPECIFIED TYPE S AND RATED FUSE For you to use it safely 1 2 3 4 5 6 When abnormal sounds abnormal smell and smoke are emitting from the unit remove the battery and AC adapter and stop the use Never use with hands that are wet because doing so may cause damage to the unit and or cause electric shock to the user Never use it under the lightning There is a possibility of receiving a lightning bolt Never use an AC adapter other than the one specified because doing so may cause damage to the unit For static electricity protection ground the unit by connecting the three cores if possible Not grounding the unit can damage it and the object measured Never use a battery other than the one specified because doing so may cause damage to the unit When removing or installing the battery be sure to do it after you turn off the unit and disconnect the AC adapter When replacing the fuse disconnect the AC adapter open the battery cover on the back and remove battery
22. Corp with pre paid shipping The flat rate repair charge includes return shipping to locations in North America For overnight shipments and non North America shipping fees contact B amp K Precision Corp B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 Email service bkprecision com Include with the instrument your complete return shipping address contact name phone number and description of problem 22820 Savi Ranch Parkway Yorba Linda CA 92887 USA TEL 714 921 9095 i 481 416 9 001 Rev 08 03 FAX 714 921 6422 rinted in Japan 2003 B amp K Precision Corp www bkprecision com
23. Hz within 1 0dB 1dot 100M Hz to 8 5GHz 509 less than 2 0 0 to 25dB 1dB step coupled with reference level within 0 6dB within 0 6dB 200dots 10dB div 2dB div within 0 8dB 10dB 1dot within 0 2dB 2dB 1dot within 1 6dB 70dB 1dot 23dBm CW average power 25 VDC 10ms to 30s 1 3step frequency span 0 to 2GHz and AUTO 30ms to 30s 1 3step frequency span SGHz and AUTO within 0 1 1dot frequency span 0 to SGHz within 2 5 1dot frequency span full span AUTO frequency span zero span Positive peak Negative peak Sample NORM displays frequency 7digits max and level 4digits max at marker point DELTA displays differential frequency and level between 2 markers NORM searches a peak point within 10div Available NEXT peak 10max ZONE searches a peak point within a zone designated by center and width Marker moves to a peak point each sweep _8 Calculation Measuring AUTO tuning Save Load Save Load e General Immunity of radiated interference Level display at 10V m Immunity to cabled interference Level display at transient interference of 4 0kV Input connector Communication Interface Baud rate Hard copy Display Display Backlight Resolution Power source Battery External DC source NORM MAX HOLD MIN HOLD AVERAGE OVER WRITE MAX MIN HOLD 2 to 1024 times AVERAGE 2 to 256 Channel power Adjacent channel leakage power Occupied frequency bandwidth Electric field st
24. LTA Peak search mode Normal peak search ZONE Zone peak search Position to where the marker moves 01 Position of the maximum peak on the screen Position of the 2nd highest peak on the screen 2828 2 2k kk k Refer to 23 4 Input the frequency ul Position of the 11th highest peak on the screen 57 40 Set the zone width of peak search Command PKWIDTH gt k k KK kkk Refer to 23 4 Input the frequency Unit of marker 41 Set the unit of marker Command CONV k x k DBM M DBV V DBUVM VM 42 Request the transfer of hard copy Command PRT When transferring the returned data to optional printer hard copy is performed 43 Request to transfer trace Trace that is transferd Command SRS xx k CURR 00 to 99 Trace of Current 00 Trace of save data 1 44 Request to transfer 1001 dateoftrace __ oe y O Command SRSF LT Traceofsavedata 100 Refer to 22 3 Transfer the data about returned data 45 Request the preset Command PRESET Any operation from the keys or the 46 Set the remote control encoder of the main body will not Command REMOTE be accepted Control the unit with Ck k 0ON OFF RS 232C commands When remote control is ON REMOTE The operation from the keys or the is displayed in the operating information encoder of the main body and display area on the LCD screen RS 232C commands will be accepted Refer to 4 Description Of Scr
25. SPAN 8 5GHz Reference level key Set the reference level etc Reference level can set between 10dBm and 60dBm 1dB step Resolution bandwidth key Use this key to set the resolution bandwidth It can set between 3kHz and 3MHz 10 Video bandwidth key Use this key to set the video bandwidth It can set between 100Hz and 1MHz 11 AUTO tuning key Tune up to the maximum level in 3 3GHz 2650 8 5GHz 2658 zones and display by the optimal setup This does not operate normally when the signal level is lower than 40dBm or when the input frequency is below 50MHz or when the frequency span is ZERO SPAN or FULL SPAN Sve 12 Measuring function key Available for Channel power Adjacent channel leakage power Occupied frequency bandwidth Electric field strength and Magnetic field strength measurement optional 13 Calculation function key Available for Max hold Min hold Average and Over write 14 Display scale key Use this key to select the display scale of amplitude axis from 2dB div or 10dB div 15 Sweep key Use this key to set the sweep time between 10ms to 30s or set the detection mode 16 Hold Run key Stops or restarts the measurement 17 Marker amp Peak search key Use this key to set and move a marker 18 Save Load key Saves 100traces and 100setups and loads 1trace and 1setup 19 Print key When pressing this key the image is printed with a printer PT 2650 optional as it is 20 RS 232C
26. aa i 51 22 2 Selecting the communication speed baud rate nanana 51 22 3 Transfer th data te eaen a ally RNK a A shal helt a ee i 51 23 RS 232C Interface 0 lna 53 294 RS 232C specificatioNs sa esae 2 ureda ee Oe ed A aaa irene 53 23 2 How to connect ALLA Behe be chenille e 53 23 3 Command description ita pri a 53 23 4 Input the frequency aa 59 23 5 Writing of original compensation data LL 59 23 6 Sample Programs es eee 61 24 PC Software Model AK 2650 optional 61 25 Basis Performance Test 2650 omni 63 25 1 Frequency characteristics sil iii eee 63 25 2 Accuracy of reference level i gE HERE Ea REE ARETE 64 25 3 The display accuracy of the center frequency pv olivia ped isk Se a AEE ESS 64 25 4 The display accuracy of the frequency Span n on naaa a 65 25 5 Linearity of the amplitude axis 1 Outlines 1 1 Product outlines 2650 2658 2650 2658 is an authentic spectrum analyzer providing performance and functions that are comparable to those of large size bench type equipment in a compact lightweight and inexpensive model 1 Compact and lightweight 1 8 kg 2650 2658 The external dimensions are as small as WxHxD 6 4 2 8x10 2 162 70 260 mm and the weight is only 3 7 lb 1 8 kg including the battery It is very convenient for outdoor use and while on business trips 2 Measuring frequency bandwidth 50kHz to 3 3GHz 2650 50kHz to 8 5GHz 2658 This bandwidth covers those of W CDMA CDMA PDC PHS
27. asurement errors occurs The error value is several dB 42 or 10dB or more In order to lessen the error value use it separating from the body as much as possible so that there is no influence of human body Mode selection and measurement Use ANT to select an antenna AN 301 AN 302 AN 303 AN 304 AN 305 AN 306 or USER As soon as the antenna is entered the measurement is taken It is each shown on MEAS area of LCD as E F AN301 E F AN302 E F AN303 E F AN304 E F AN305 E F AN306 or E F USER USER is an original compensation table the user crates Refer to 23 1 Command description for details Trace may exceed from a screen by antenna gain compensation LEVEL ALE di maD T sc CE iii f 520 GHGGGM 93 Sdeulm Electric field strength Measured value measurement mode Antenna directivity reference data Unit of amplitude axis changes to dBuV m Optimum center frequency and frequency span are set according to the antenna In addition a trace is not displayed for frequencies outside those supported by the antenna Example case of AN 301 Center frequency 900MHz Frequency span 200MHz E plane X Y axis X direction 0 All the data are those when the antenna is connected to the RF input with no obstacles around 43 However data of 305 i
28. ation coefficient changes by frequency 26 9 4 Relation between the reference level and ATT AMP in dBm indication The programmable attenuator ATT and the input amplifier AMP inside 2650 2658 are automatically set according to the setting value of the reference level REFER ATT cannot be set independently dBm dB dB dB dBm dB dB dBm dB dB ae ee 19 30 _6 21 TI E 2 16 21 22 14 Bi di 25 il 27 Resi 28 og 21 When the input signal level is higher than the suitable level for 1st mixer s terminal it generates W D i LA IN IN IN N N N Si SI FR fe ld N Di a ol 23 o z ol al o RESO K s ol cara E aa u ol NEO biele D a nN dA O N fe fe TH fe e fe fe te c 8 harmonics distortion and spurious 2650 2658 is designed so that the input signal level of 1st mixer is determined to proper level by the reference level 9 5 Setting the offset level 1 L to set the offset of reference level When amplifier and attenuator are used externally display level can be matched by offset The setting range is from 50 0 to 50 0dB 0 1dB step Offset is calculated to the reference level and it is displayed When offset is set it is displayed on LEVEL display area as OFS Furthermore the value of a marker point is displayed reflecting the calculated offset Offset of dBuV dBmV dBV W etc are changed automatically
29. ce level RF 60 to 10dBm 47 to 117dByV 13 to 57dBmV 33 to 3dBv 72 to 149dBuV m 89 to 203dBuA m all Istep 4 Sweep time and Detection mode ST 4 10ms 30ms 0 1s 0 3s 1s 3s 10s 30s POS NEG SMP 5 Resolution bandwidth RB 3k 10k 30k 100k 300k 1M 3M 6 Video bandwidth VB 100 300 1k 3k 10k 30k 100k 300k 1M 52 23 RS 232C Interface 23 1 RS 232C specifications Transfer rate 2400 4800 9600 19200 38400bps Date bit length 8bit Stop bit Ibit Parity check none 23 2 How to connect When using the RS 232C interface connect the RS 232C interface cable as shown in the figure below RS 232C interface cable specifications Cable length approx 1 5m Connector D sub 9pin male D sub 9pin female Wiring straight Refer to 22 Data Output about changing baud rate Ro e ey te SPBCIA OM AMALYLEA op SKS 4 3087 FELL TUC COM PORT D sub 9pin male Use the conversion connector in the case that is D sub 25pin male 23 3 Command description CR OD HEX LF OA HEX is added to the tail of every command When you send a command from your PC 2650 2658 returns a response Responses include OK CR LF ERR CR LF and response to command CR LF By inputtin
30. div from the top 25 3 The display accuracy of the center frequency Measure the frequency with the peak search function of 2650 Setting of 2650 ie Measurement Specifications Judgment Center frequency Frequency span value mae anar 3 wim omar mane iom So naaa __ mane oom i0o Tanaman __ Setting of 2650 Reference level VBW Sweep time Detection mode Display scale 15dBm AUTO ls SMPL 10dB div within 800kHz 1dt within 800kHz 1dot Setting of calibration unit Frequency Same as a center frequency of 2650 Output power 15dBm However calibrate the signal generator in advance 25 4 The display accuracy of the frequency span Adjust the frequency of the calibration equipment so that the peaks are at the positions of T and fo and measure the frequencies of f and fo Calculate from f and fy the display accuracy of the frequency span Setting of 2650 fi fo Center Specifications Measurement Measurement Frequency span j Frequence if 100 100 i 00 C aom iom aMi Tana zaa FULL 3 3GHz 1 65GHz 3MHz fi 1st div from the left on the trace screen fo 9th div from the left on the trace screen Setting of 2650 Setting of calibration unit Reference level 15dBm Frequency Adjust it to the positions of fi VBW AUTO and fo Sweep time Is Output power 15dBm Detection mode SMPL Display scale 2dB div 25 5 Linearity of the amplitude axis Adj
31. e is in one band 9 Reference Level lt REFER gt Press REFER to switch over to the function screen shown below 25 9 1 Setting the Reference level 1 When is turned the reference level changes Refer to 9 3 Reference level setting range for each unit for details 9 2 Switching units of amplitude axis dBuV m and dBuA m are optional Refer to 19 4 Electric field strength measurement and 19 5 Magnetic field strength measurement for details 1 Press F1 to switching units to dBm Press F to switching units to dBuV Press F3 to switching units to dBmV Press F to switching units to dBV 9 3 Reference level setting range for each unit MAXIMUM 10 17 57 me e i EARN shifted trace data dBuA m Magnetic field strength measurement AN305 AN306 PR 26M 159 MINIMUM 933 9 10 s37 109 toto153 MINIMUM mm e e a e o e smo When the reference level is set between the MINIMUN and MINIMUN shifted trace data the trace in MINIMUM is shifted and displayed on a screen When the reference level is set below to the MINIMUM the ATT display area is displayed as S W AMP Calculation expression conversion formula to and from dBm A dBuV 107 X dBm B dBmV 47 X dBm C dBV 13 X dBm D dBuV m 68 8 AxV X Gar dBm A Wavelength m Gar Antenna absolute gain times E ABuA m 180 X F dBm F probe calibr
32. e level 10dBm SMA J RS 232C 2400 to 38400bps Allows direct hard copy with an optional printer LCD CEL backlight 240 V x 320 H dots Ni MH battery optional DC jack 4 75 to 5 25 VDC 4A _5 Other Operating temperature 0 to 40 C Guaranteed at 23 10 C without soft carrying case Operating humidity less than 40 C 80 RH Guaranteed at less than 33 C 70 RH without soft carrying case Storage temperature 20 to 60 C less than 60 C 70 RH Dimensions 162 W x 70 H x 260 D mm exclude projections and stand Weight approx 1 8kg include battery approx 1 5kg without battery Specification and information is subject to change without notice Please visit www bkprecision com for the most current product information 26S 2 2 Performances Frequency section Frequency range Center frequency Setting resolution Accuracy RBW frequency error Frequency span Setting range Accuracy Display resolution Display dot number Resolution bandwidth Setting range Accuracy Selectivity Video bandwidth SSB phase noise Spurious response Harmonics Amplitude section Reference level Setting range Accuracy 2658 50kHz to 8 5GHz 100kHz Allows Rotary encoder numeric key and function key within 30 20T kHz 1dot frequency span 200kHz to 10MHz RBW 30kHz 23 5 C within 60 300T kHz 1dot frequency span 20MHz to 8 5GHz RBW 100kHz 23 5 C within 6 of RBW RBW 3kHz 30kHz
33. een for details 47 Single sweep Command CAPT It sweeps only once and will be in a HOLD state 48 Setting of the offset level Command OFFSET hh 28 KAU 0 to 50 0 O 1step unit dB 49 Setting the input impedance Command IMP Offset level is set to 0dB 50 75 Offset level is set to 5 7dB When selecting of 75Q please attach the 50Q 75Qcoaxial impedance matching pad to an input connector 58 Command Clearing data 50 Clearing of saved trace data and parameter e lt lt All of saved trace data Command MCLR SALL All of saved parameter LKK k WALL SALL W00 to W99 S00 to S99 Wo00 Trace data of save No 00 W99 Trace data of save No 99 S00 25 4 Input the frequency 599 For the items written kk Reter to 23 4 Input the frequency in 23 3 Command description above enter a frequency as follows etka 0 0k to 999 9K 0 1step unit Hz 0 0M to 999 9M 0 1step unit Hz 2650 0 0000G to 3 3G 0 0001step unit Hz 2658 0 0000G to 8 5G 0 0001step unit Hz However the offset frequency and zone width can be input only in the range decided by the center frequency and frequency span The value out of the range becomes error Values of the offset frequency and the zone width will change as you alter the frequency span 23 5 Writing of original compensation data On the case of electric field strength measurement used the antenna prepared by the visitor or on the case of
34. er of location 00 01 lt gt 02 03 04 k 98 r 99 4 Press to load the data This reads out the trace when TRACE is selected The setting parameter of the loaded trace is displayed in the loaded trace information display area Refer to 4 Description of Display for details This reads out the setting parameters when PARAM is selected When you load a trace the current trace disappears the HOLD state is set and the loaded trace 386 is displayed For the loaded trace you can use the marker but cannot use a measuring function When you press the HOLD RUN key the loaded and the current traces are displayed overlapping each other Sk is displayed on the right end of the number of location place at which data is saved 18 3 Clearing the date 1 Press to move to a clear menu 2 Operating f pi ari e chooses objects trace or parameter 3 Use to set the number of clear 00 01 gt 02 03 04 98 99 4 Press to clear the data 18 4 Clearing the loaded trace 1 Press to clear the loaded trace that has been displayed 18 5 Presetting Initialization 1 Press to preset the setting parameters as the Initialization shown below Initialization Center frequency Frequency span 20MHz Offset 0 0dB 502 Sweep time 0 3s RBW 100kHz VBW 10kHz Display scale 10dB div 37 19 Measuring Function lt MEAS gt Press to switch over to the f
35. f communication Refer to 22 Data Output for details 2 Write the data Please transmit data of the following format to 2650 2658 from RS 232C communication software Format Case of compensation data of electric field strength measurement EFUSER Frequency Antenna gain Frequency Antenna gain Case of compensation data of magnetic field strength measurement 99 66 MFUSER Frequency Compensation coefficient Frequency Compensation coefficient 60 Example case of PR 26M MFUSER10M 86 7DB 100M 69 2DB 1G 50 7DB 2G 44 9DB 3G 40 1DB Please write unit with a capital letter 3 After writing is completed correctly OK is returned from 2650 2658 5 How to use 1 Please set the measuring function of 2650 2658 to electric field strength measurement mode or magnetic field strength measurement mode On the case of electric field strength measurement please select MEAS E F ANT on the case of magnetic field strength measurement please select MEAS M F PROBE Please push F1 and display USER on the upper of F1 Now electric field strength measurement or magnetic field strength measurement by the written compensation data can be performed When the power supply of 2650 2658 is turned off at once and turned on again it returns from electric field strength measurement mode or magnetic field strength measurement mode to the usual measurement mode Then if
36. g instead of for each command the current setting parameters are returned Except for Request command and command for inputting corrected data 58 1 Setthe center frequency Command FREQ 2 2 gt k k 282k kk Refer to 23 4 Input the frequency 2 Request the set marker Command FREQSETMKR The center frequency is set according to the frequency of current marker position 3 Set the span 4 5 6 7 8 9 2650 Command SPAN hh x ZERO 200K 500K 1M 2M 5M 10M 20M 50M 100M 500M 1G 2G FULL unit Hz 2658 Command SPAN gt gt x ZERO 200K 500K 1M 2M 5M 10M 20M 50M 100M 500M 1G 2G 5G FULL unit Hz Set the reference level For units other than dBm use the conversion Command REF formulas in 9 3 Refference level setting range x 60 to 10 1step unit dBm for each unit to convert them into dBm before inputting the value Set the reference unit Command UNITA 4 DBM DBVU DBMV DBV 2am Set the RBW Command RBW h d xxx 3K 10K 30K 100K 300K 1M 3M AUTO ALL unit Hz Set the VBW Command VBW h h k Z x 100 1K 3K 10K 30K 100K 300K 1M AUTO ALL funit Hz Start Stop the measuring function Command MEAS Kh KACH ACP OBW Channel power measurement EF MF OFF ACP Adjacent channel leakage power measurement Occupied frequency bandwidth measurement Request the result of measur
37. ifications of magnetic field probe PR 26M Frequency range 10MHz to 3GHz 2 approx 0 25 mm Space resolution 6dB Depending on objects Di i Outside 12px135mm ROS probe tip 2mm W x1mm T SMA The tip of the optional magnetic field probe PR 26M is made of glass ceramic board Take care when handling the probe even though the strength of the glass ceramic board is sufficiently ensured under normal Reference level setting 160 to 203dBuA m range maximum Reference level setting range except for the 110 to 153dBuA m minimum value in screen shift Probe simple substance Refer to the operating manual for PR 26M for details operation Registration of the probe ID Magnetic field strength measurement cannot be used without entering the Probe ID attached to the optional magnetic field probe PR 26M Once you have entered it you don t need to enter it again When you press and in that order Input PROBE ID will appear in the measured 47 value display area on the screen Then input the 14 digit Probe ID with the numeric keypads Press ENTER to confirm it Press CLEAR to delete the entire value and allow you to input one from the beginning Press BACK SPACE to delete the last input figure Press to cancel the probe ID input display Mode selection and measurement Use PROBE to select a probe PR 26M or USER As soon as the probe is entered the measurement i
38. imum value of the sample points SMPL Sample Traces the momentary value of the sample points NegPK Negative Peak Traces the minimum value of the sample points 14 AUTO Tuning lt AUTO TUNE gt When is pressed center frequency is set at the spectrum of the maximum level in the 3 3GHz 2650 8 5GHz 2658 band and in addition optimum reference level RBW VBW and SWEEP are set according to the setting of SPAN The AUTO tuning does not operate normally at the time of the following 4 conditions 1 ZERO SPAN 2 FULL SPAN 3 Signal level is 40dBm or lower 4 Signal frequency is SOMHz or lower 15 Hold Run lt HOLD RUN gt Press HOLD RUN to switch to between sweep halt and continuous sweep This operates only with the key press with no function indication 16 Calculation Function lt CALC gt Press carc to switch over to the function screen shown below e lle al eals a 31 After sweeps stops press HOLD RUN to restart sweep Press F1 to F5 to set the CALC mode Use L to set the number of sweeps 16 1 NORM mode 1 Press Calculation is not performed in this mode The number of sweeps is always unlimited Usually please choose this mode NORMAL is displayed in the CALC area on the LCD screen Refer to 4 Description of Display for details 16 2 MAX HOLD mode 1 Press gt Use C to set the number of sweeps 2 Sweeps are performed the set number of times
39. ing function O E Farneti enza mat MF Magnetic field strangth measurement OFF OFF Command MEASRES Example of the return data Case of channel power measurement POW 25 5dBm Case of adjacent channel power measurement L 44 7dBc U 48 3dBc Case of occupied bandwidth measurement C 1 45G W 20 00k 54 10 Set the mode of channel power measurement Command CPMODE k TOTAL BAND TOTAL Measure the power of whole range on the screen Measure the power within zone set 11 Set the zone center frequency of channel power measurement Command CPONTR k kk kk kkk kk k Refer to 23 4 Input the frequency 12 Set the zone width of channel power measurement Command CPWIDTH gt gt hh 282 22k kk Reter to 23 4 Input the frequency 13 Set the mode of adjacent channel power mesurement fee DOS REE PEAS TOTAL TOTAL total power method BAND in band method PEAK reference level method 14 Set the band offset of adjacent channel power mesuremen Command ACPOFS gt 3k k 3k k kkk kk k Refer to 23 4 Input the frequency 15 Set the bandwidth of adjacent channel power mesurement Command ACPCHBW K k k k gt K 282k 22 22k k Refer to 23 4 Input the frequency 16 Set the reference band center frequency of adjacent channel power mesurement Command ACPREF gt k d 3k 3k k 2 28 k k Refer to 23 4 Input the frequency 17 Set the reference bandwidth of adjacent channel power measurement C
40. me offset frequency are measured In addition you can select from three modes TOTAL total power method REF BAND in band method and PEAK reference level method according to the classification of definitions of carrier wave Mode selection and measurement Use MODE to select a mode TOTAL BAND or PEAK It is each shown on MEAS area of LCD as ACP TOT ACP BAND or ACP PR The measured value and setting parameter are displayed at the right lower corner on the screen 1 Use Adj Ch OFS gt to set the offset frequency of adjacent channel The offset is from the center of the reference carrier wave 2 Use Adj Ch WIDTH r to set the band width of adjacent channel 3 Use REFERENCE CNTR to set the center frequency of reference carrier F4 is only for the TOTAL and BAND mode Paini Viana 20s REFERENCE WIDTH gt to set Leakage power Measurement mode Parameter the band width of reference carrier F5 is only for the BAND mode Definition of the reference carrier for each mode TOTAL total power method BAND in band method PEAK reference level method This is based on the sum total of the This is based on the sum total of the This is based on the power of the pe power of whole range on the screen power within the set bandwidth Use ak on the screen Center frequency of Use F4 to set center frequency of F4 to set ce
41. mode Use to select ZONE Use L to move the center position Use to change the width 17 3 Changing the unit of marker point Press to change the unit of marker point When unit of reference level is dBm the unit is changed from dBm to W When unit of reference level is dBuV the unit is changed from dBuV dBmV dBV to V When unit of reference level is dBuV m the unit is changed from dBu V m to V m When unit of reference level is dBuA m the unit is changed from dBuA m to A m Moreover according to each unit it is displayed as follows W gt W mW uW nW pW fw V V mV pV nV V m gt V m mV m uV m nV m A m gt A m mA m uA m nA m 35 18 Save Load lt SAVE LOAD gt Press SAVEILOAD to switch over to the function screen shown below SOOO T 18 1 Saving the data 1 Press to move to a save menu 2 Operating a r chooses objects trace or parameter 3 Use L to set the number of location 00 OL gt Q gt 03 04 lt dk 9 gt 99 4 Press to save the data This saves the trace when TRACE is selected or the setting parameters when PARAM is selected x is displayed on the right end of the number of location place at which data is saved It can be overwritten too 18 2 Loading the data 1 Press to move to a load menu 2 Operating pi Gr r chooses objects trace or parameter 3 Use to set the numb
42. nal antenna Allows using an antenna other than options by creating and inputting the original compensation table Refer to 23 6 Writing of original compensation data for how to create and write Antenna connection m Measurement environment Antenna AN 301 AN 302 AN 303 AN 304 AN 305 AN 306 2650 2658 SPEGTRUM ANALYZER 3 aGHz 2660 Please receive by the rear side of 2650 2658 Specifications of the antenna antenna gain and VSWR are specified at a center of frequency range AN 301 AN 302 AN 303 AN 304 AN 305 AN 306 14A whip Frequency range 0 8 to 1 0GHz 1 25 to 1 65GHz 1 70 to 2 20GHz 2 25 to 2 65GHz 300 to SOOMHz 4 7 to 6 2GHz 1dBior higher 1dBi or higher 1dBior higher 1dBiorhigher 1dBi or higher 1dBi or higher 1 5 or lower 1 5 or lower 1 5 or lower 1 5 or lower 1 5 or lower 1 5 or lower 75 x250mm 7 5px250mm 7 5 x180mm 7 50x180mm 8 0px195mm 7 59x100mm approx 20g approx 20g approx 20g approx 20g approx 30g approx 10g Reference level setting range 93 to 96 to 98 to 100 to 87 to 109 to except for the T vane 143dBuV m 146dBuV m 148dBuV m 150dBuV m 137 dBuV m 159 dBuV m in screen shift Measured value varies depending on how to have HM5033 main unit Moreover if the person who has is different measured value will vary Because M305 is 1 4 whip antenna Therefore in the measurement used an antenna M305 me
43. nd it sounds even if it is set up so that a buzzer may not sound and a power supply will be shut off within several minutes 21 Printing lt PRINT gt optional When using the optional printer connect the RS 232C cable as shown in the figure below EK PRECISIONE SPEGTROM ANALYZER 50 by ARRON a Bs fo ji eee ee Female Cl Ce f E tem mea Male _ 1 O Ar O Printer gt dia O Oo 21 1 Hard copy of the screen When you press the with the printer optional connected to the unit it is set to the HOLD state and starts printing It remains in the HOLD state after the printing is finished It stops printing if you press the again during printing Since the printer operates with power supply from either the AC adapter or dry batteries you can easily produce a hard copy of measured data even when outdoors where no AC power supply is available When battery powered the printer operates for approximately 30 minutes continuous use allowing you to produce about 80 hard copies of the screen image _50 22 Data Output lt RS232C gt Press RS232C lo switch over to the function screen shown below Refer to 23 RS 232C for How to connect and RS 232C specifications The trace currently displayed on the screen is
44. nter frequency of the the reference carrier wave is set up to the reference carrier wave reference carrier wave the peak inside the screen automati cally 19 3 Occupied frequency bandwidth measurement lt Occ BW gt Measures the bandwidth at the point of N of total power N POWER or the bandwidth at the point X dB down from the peak level XdB DOWN Two modes are available N POWER mode Use MODE to select N Measures the bandwidth at the point of N of total power displayed on the screen It is shown on MEAS area of LCD as OBW N The measured value is displayed at the right lower corner on the screen 1 Use RATTO to set the percentage to total power Setting range 80 0 to 99 9 Occupied frequency Measured value bandwidth measurement mode Parameter XdB DOWN mode Use MODE to select XdB Measures the bandwidth at the point X dB down from the peak level It is shown on MEAS area of LCD as OBW XdB The measured value is displayed at the right lower corner on the screen 1 Use aa 9 to set the down level from peak level z N i c CHL 0G W51 40M Setting range 0 1 to 80 0dB Measured value Occupied frequency bandwidth measurement mode Parameter 41 19 4 Electric field strength measurement lt E F ANT gt Measures electric field strength by connecting an optio
45. ntrast SAVE LOAD Refer to 18 Save Load for details Main menu MODE SELECT Save menu gi Set the address to store the trace or parameter Load menu ni Set the address to call the trace or parameter DDelete menu L Set the address to elimination the trace or parameter 21T 6 Preparing for Operation 6 1 Stand Utilize the stand on the back to use the screen in an easier to see angle on the desk 6 2 Connection to power supply The BC 2650 AC adapter is both for the use with AC power supply and for charging the BP 2650 built in battery optional charge is started automatically if AC adapter is connected Connect the adapter as in the figure below and connect the AC plug to the power line 100 240 VAC 50 60 Hz For static electricity protection ground the unit by connecting the three cores if possible Not grounding the unit can damage it and the object measured Do not use an AC adapter other than the BC 2650 supplied with the unit Using an AC adapter other than the BC 2650 may cause damage to the unit Sonne fencer Battery full charge time approx 8hours Battery operate time the longest 120min back light OFF When it is not operated at normal temperature and setting parameters is the initialization reo iL Mea AC adapter BC 2650 Connect to 100 to 240 VAC 50 60Hz a EER Tf the voltage of a battery becomes low at the time of batte
46. om lower frequency 10data are available 25 Start Stop Calculation Command CALC 2410FF MAX MIN AVE OVR MIN MIN HOLD 26 Set the number of MAX HOLD AVE AVERAGE Command MAXNO OVR K 2 4 8 16 32 64 128 256 512 1024 0 Command 0 unlimited 27 Set the number of MIN HOLD Command MINNO xx kx k 2 4 8 16 32 64 128 256 512 1024 0 Command 0 unlimited 28 Set the number of AVERAGE Command AVENO 2 4 8 16 32 64 128 256 29 Set the display scale of amplitude axis Command SCALE 2 10 2dB div 10dB div 56 30 Set the sweep time Command SWEEP kk 2 k 0M 30M 0 15S 0 3S 1S 3S 10S 30S AUTO ALL PRES EE Command DET xx POS NEG SMP Positive peak mode Negative peak mode NE 32 Request the AUTOTUNE Command AUTO Returns the response after tuning 33 Request the action Command HOLD RUN 34 Request the marker information Command MKRRES Example of returned data 1 42G 15dBm 35 Set the marker mode Command MKR NORM DELTA 36 Set the marker position Command NORMMEK Rk 3k 3k 3k gt k kkk kk k Refer to 23 4 Input the frequency 37 Set the peak search mode Command PEAK gt x gt NORM ZONE 38 Request the peak search Command PKSEARCH 01 02 03 04 05 06 07 08 09 10 11 39 Set the zone center frequency of peak search Command PKCNTR h k k k K DE
47. ommand ACPREFBW Z k k 3k k 282k 22 22k k Refer to 23 4 Input the frequency 18 Set the mode of occupied bandwidth measurement Command OBWMODE N DB 19 Set the N ratio of occupied bandwidth mesurement DB XdB DOWN mode Command OBWRATIO 80 0 to 99 9 0 1step unit 20 Set the XdB down of occupied bandwidth mesurement Command OBWDB 0 1 to 40 0 0 1step unit dB 55 21 Set the antenna of electric field strength measurement SOO 28 k AN301 AN302 AN303 AN304 AN305 SR Setting date for AN 303 AN306 Setting data for AN 306 22 Transfer the user compensation data of electric field strength measurement Command EFUSER Example of the compensation data 2 25G 2 08DBI 2 65G 3 5DBI If the compensation coefficient is 0 3dBi at 2 5GHz the compensation data is 2 5G 0 3DBI Set apart by between data and input from lower frequency 10data are available 23 Set the probe of magnetic field strength measurement Command MFPROBE k PR26M USER PR26M Setting data for PR 26M USER Setting data for user s original probe 24 Transfer the user compensation date for magnetic field strength measurement Command MFUSER Example of the compensation data 10M 86 7DB 100M 69 2DB 3G 40dB If the compensation coefficient is 86 7dB at 10MHz the compensation data is 10M 86 7DB Set apart by between data and input fr
48. ow to operate it please contact us at B amp K Precision Corporation 22820 Savi Ranch Parkway Yorba Linda CA 92887 TEL 714 921 9095 FAX 714 921 6422 URL http www bkprecision com E mail sales bkprecision com Contents 1 Outlines cissesiali oi daria 1 1 1 Prod cto tlineSs i e irta en 2 1 2 Standard cces ri s a e kaha fade rieien WEEE a A a 2 1 3 Optical accessories 0 2 2 Specifications dees 3 2 12650 performances Lolli RALE TARE e AGRE a ee Ss 3 2 22098 performances ea Don bE Geradedivwd oa lee eS dnd e Heese Ree 7 OWING rine Saag Skanes bebe ewe ee ee ORES SSS SG dda eee ee ewe ees 10 3 Description of Panel 11 4 Description of Screen 14 5 Function Key Menti 15 5 1 List of the function key menus LL 15 OMO siii ERRE hk Ge ah ele ee ee 16 6 Preparing for Operation 21 Old dietista 21 6 2 Connection to power supply 6 sk eee 21 6 3 Replacing the fus Lili EA Be RR OA anni 22 6 4 Installing the battery 22 6 5 Soft carrying case LL 22 7 Center Frequency lt FREQ gt 23 Rai RO T EA RKR REE RR bk BIS 23 7 2 Setting with the encoder dw ee ee eae ee eee eee beeen ees 23 7 3 Setting with the numeric keys gga kc ee eee eS bw SN SSE K eR ERR RRR Ee ERE 23 7 4 According to the marker position LL 24 8 Frequency Span lt SPAN gt ddd dd ee 24 9 Reference Level lt REFER gt 0 25 9 1 Setting the reference level 4 aaa ok i RTRT 26 9 2 Switching units of amplitude axis iii e Re RR 2
49. port and CD ROM drive Screen size 1024x768 or more computers Operating system Windows 95 98 2000 Me NT 4 0 XP Communication method Bidirectional communication by RS 232C Installation procedure 1 Start windows 2 Insert the AK 2650 software CD into the CD ROM drive The setup will start automatically and the initial screen will appear 3 Follow the instructions on the screen If the setup does not start 1 Double click on the My Computer icon 2 Double click on the CD ROM icon 3 Double click on setup exe 4 Follow the instructions on the screen Refer to the README in the AK 2650 for details The software can be updated Please contact to our company for details _62 25 Basis Performance Test 2650 only To keep the quality of the unit regular performance testing is recommended This section describes a method and specification of basic performance testing If a problem is found in the results of basic performance testing or formal testing is needed please contact the dealership where you purchased the product or contact us Connection diagram MICRONIX MFG206 Loi pi Receiver for calibration Spectrum analyzer calibration unit 25 1 Frequency characteristics Adjust the output level of the spectrum analyzer calibration unit thereafter calibration unit so that the displayed power value is 15dBm at each frequency for this unit and measure the absolute value
50. r PX 2650 for optional printer PT 2650 with 10 rolls 6 SMA coaxial cables CC 301 SMA P SMA P 1 6ft 0 5m DC to 10GHz All impedance is 50Q Performances change by bending and deteriorate by repeating the insertion and extraction _2 2 1 Performances Frequency section Frequency range Center frequency Setting resolution Accuracy RBW frequency error Frequency span Setting range Accuracy Display resolution Display dot number Resolution bandwidth Setting range Accuracy Selectivity Video bandwidth SSB phase noise Spurious response Harmonics Amplitude section Reference level Setting range Accuracy 2 Specifications 2650 50kHz to 3 3GHz 100kHz Allows Rotary encoder numeric key and function key within 30 20T KHzt1dot T Sweep time s frequency span 200kHz to 10MHz RBW 30kHz 23 5 C within 100 700T kHz 1 dot T Sweep time s frequency span 20MHz to 3 3GHz RBW 100kHz 23 5 C within 6 of RBW RBW 3kHz 30kHz within 30 of RBW RBW 100kHz to 3MHz OHz zero span 200kHz to 2GHz 1 2 Sstep and 3 3GHz full span within 3 420TkHz 1dot frequency span 200kHz to LOMHz 23 5 C within 3 200TkHz 1 dot frequency span 20MHz to 3 3GHz 23 5 C T Sweep time s Frequency span 250 Frequency span 1000 only the measurement by RS 232C communication 251dots 1001dots only the measurement by RS 232C communication The unit displays data in 251 horizontal
51. r gt Measures the sum of the power in the zone specified Two modes TOTAL and BAND are available TOTAL mode Use MODE to select TOTAL Measure the sum of the power in the zone specified by the center frequency and frequency span whole range of the screen It is shown on MEAS area of LCD as CP TOTAL The measured value is displayed at the right lower corner on the screen PUM S B 4cdEm Channel power Measured value measurement mode BAND mode Use MODE to select BAND Measure the sum of the power in the zone specified by the zone center frequency and zone width BERE F 1 GGGEG Dt It is shown on MEAS area of LCD as CP BAND The measured value and setting parameter are displayed at the right lower corner on the screen 1 Use CNTR gt to set the zone center frequency 2 Use WIDTH gt to set the zone width Powe 33 7d E R WE UE Channel power Measured value Measurement mode 39 Parameter 19 2 Adjacent channel leakage power measurement lt Adj Ch Pw gt Measures the adjacent channel leakage power as the ratio of the power in the range specified by the offset frequency against the reference frequency reference carrier frequency and the bandwidth to the carrier wave power Two channels of adjacent waves on the upper and lower sides of the sa
52. rength needs antenna Magnetic field strength needs optional magnetic field probe measurement When pushing AUTO TUNE key the maximum level spectrum within 8 5GHz bandwidth is adjusted to center and reference level RBW VBW and sweep time are adjusted to optimum values Saves 100 traces and 100 setups Loads trace and 1 setup Less than 35dBc reference level 10dBm Less than 30dBc reference level 10dBm SMA J RS 232C 2400 to 38400bps Allows direct hard copy with an optional printer LCD CEL backlight 240 V x 320 H dots Ni MH battery optional DC jack 4 75 to 5 25 VDC 4A 9 e Other Operating temperature Operating humidity 0 to 40 C Guaranteed at 23 10 C without soft carrying case less than 40 C 80 RH Storage temperature Guaranteed at less than 33 C 70 RH without soft carrying case Dimensions 20 to 60 C less than 60 C 70 RH Weight 162 W x 70 H x 260 D mm exclude projections and stand approx 1 8kg include battery approx 1 5kg without battery 2 3 Outline LDZ T U A T T i 1 f PRESSIONI SPECTROM ANALYZER by SOME 3 1605 Z650 x lt vi GI CA Ga CA CA Ca U l 1 FREG SPAR REFE A la nav va anra al NBAS eme 0 sca SIE T E a
53. ry operation it will be displayed on a screen as Low Batt and a buzzer will sound it sounds even if it is set up so that a buzzer may not sound and a power supply will be shut off within several minutes At that time since the switch is the position of ON please push once and return to the position of OFF If it is with the position of ON after a power supply is shut off it discharges inside will be in electric overdischarge state and becomes the cause of contracting the life of a battery Please take care DIE Moreover under low temperature near 0 C since a battery performance falls and voltage becomes low even when capacity remains enough it may display on a screen as Low Batt When a battery repeats charge and electric discharge the fall the fall of capacity and increase in internal resistance of a battery performance begins from about 200 times and capacity falls to the original half by about 500 times also under good conditions On bad conditions high temperature etc the life of battery will be shorter than this 6 3 Replacing the fuse SA 250V fuse IEC127 2 sheet3 slow blow type is used for the battery power supply When replacing it turn the power off first disconnect the AC adapter remove the battery cover and on the back as shown in the figure below remove the battery and then take sufficient care to perform the replacement Be s
54. s reference data of the conditions in which people have 2650 2658 attached 305 So the directivity changes in practice because for example the unit is carried by people AN 301 900MHz E plane Antenna gain vs Frequency N wo A Pey ANT Gain dBi 2 3 E 4 I 0 8 0 85 0 9 0 95 1 Frequency GHz AN 302 1 5GHz E plane Antenna gain vs Frequency La Ln w Ln N Ln ANT Gain dBi dI o Ln 1 o ZU 1 5 1 25 1 35 1 45 1 55 1 65 Frequency GHz 44 AN 303 2 0GHz E plane Antenna gain vs Frequency A Ln a 2 amp 3 Z T 1 9 2 Frequency GHz AN 304 2 4GHz E plane Antenna gain vs Frequency ANT Gain dBi 225 2 35 245 2 55 265 Frequency GHz 45 AN 305 horizontal plane Antenna gain vs Frequency E g S A LG E Z lt 300MHz 400MHz 300 325 350 375 400 425 450 475 500 a Frequency MHz AN 306 5 4GHz E plane Antenna gain vs Frequency c L O H Z lt x 4 70 495 52 545 5 70 5 95 6 20 Frequency GHz SARE 19 5 Magnetic field strength measurement lt M F PROBE gt optional Measures the magnetic field strength using the optional magnetic field probe PR 26M I D z Magnetic field probe PR 26M BK PRECISION SPECTRUM ANALYZER by 3 30H7 2650 Spec
55. s taken It is each shown on MEAS area of LCD as M F PR 26M or M F USER USER is an original calibration table the user creates Refer to 23 1 Command description for details ITS Hz Rea L ood I aa ge ee SFP 2h ce IERI FE 38k ME 1M ME lla ia Unit of amplitude axis are changing to dBuA m AT 406 3 H S S S Scegli ati ie i bmg TTT A trace is not displayed for frequencies Beis POS eee ee Pep ee bed era a outside those supported by the probe mE or fl M F LESS U rai ANA Measuring mode Measured value 48 20 Screen Control lt DSPL gt Press to switch over to the function screen shown below 20 1 Adjusting the contrast Use to adjust the contrast 20 2 Switching ON and OFF the LCD backlight Fach time is pressed the LCD backlight is alternately switched to ON or OFF 20 3 Adjusting the brightness of the LCD backlight Use to set the brightness 20 4 Inverting the display Press to invert the screen display Press again to return it to the previous state 20 5 Enabling or disabling the beep Pressing allows you to disable the beep that sounds when you operate a key or the encoder Press again to return it to the previous state If the voltage of a battery becomes low at the time of battery operation it will be displayed on a screen as Low Batt and a buzzer will sou
56. span AUTO frequency span zero span Positive peak Negative peak Sample When sweep time is 10ms or 30ms only Sample can be set NORM displays frequency 7digits max and level 4digits max at marker point DELTA displays differential frequency and level between 2 markers NORM searches a peak point within 10div Available NEXT peak 10max ZONE searches a peak point within a zone designated by center and width Marker moves to a peak point each sweep a Calculation Measuring AUTO tuning Save Load Save Load General Immunity of radiated interference Level display at 10V m Immunity to cabled interference Level display at transient interference of 4 0kV Input connector Communication Interface Baud rate Hard copy Display Display Backlight Resolution Power source Battery External DC source NORM MAX HOLD MIN HOLD AVERAGE OVER WRITE MAX MIN HOLD 2 to 1024 times AVERAGE 2 to 256 Channel power Adjacent channel leakage power Occupied frequency bandwidth Electric field strength needs antenna Magnetic field strength needs optional magnetic field probe measurement When pushing AUTO TUNE key the maximum level spectrum within 3 3GHz bandwidth is adjusted to center and reference level RBW VBW and sweep time are adjusted to optimum values Saves 100 traces and 100 setups Loads 1 trace and 1 setup Less than 35dBc reference level 10dBm Less than 30dBc referenc
57. sweep time are set when the AUTO TUNE key is pressed This function is very convenient for measurement of an unknown signal 7 Auto range motion The resolution bandwidth video bandwidth and sweep time are set automatically based on the set frequency span It is also possible to set auto range motion only one out of resolution bandwidth video bandwidth and sweep time 8 Hard copy of the image Connect a printer PT 2650 optional and press the PRINT key on 2650 2658 The image on the screen is printed as it is 9 High resolution display on the PC screen The trace is displayed at high resolution 1001 points in the horizontal axis on the PC screen when PC Software AK 2650 optional is used 1 2 Standard accessories 1 AC adaptor BC 2650 2 Soft carrying case LC 2650 3 Accessory pouch 4 Fuse It has been installed in the inside 5 Operating manual 6 Ni MH Battery BP 2650 Refer to 6 4 Installing the battery for details 1 3 Optional accessories 1 Antenna AN 301 AN 302 AN 303 AN 304 AN 305 AN 306 Refer to 19 4 Electric field strength measurement for details 2 Magnetic field probe PR 26M with a dedicated double shielded coaxial cable Refer to 19 5 Magnetic field strength measurement for details 3 PC software AK 2650 Refer to 24 PC Software for details 4 Printer PT 2650 with AC adaptor 4pcs of AA batteries a roll paper Refer to 21 Printing for details 5 Roll pape
58. thin fifteen 15 days from proof of purchase Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alternations or repairs It is void if the serial number is alternated defaced or removed B amp K Precision Corp shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state Model Number Date Purchased 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com Service Information Warranty Service Please return the product in the original packaging with proof of purchase to the below address Clearly state in writing the performance problem and return any leads connectors and accessories that you are using with the device Non Warranty Service Return the product in the original packaging to the below address Clearly state in writing the performance problem and return any leads connectors and accessories that you are using with the device Customers not on open account must include payment in the form of a money order or credit card For the most current repair charges contact the factory before shipping the product Return all merchandise to B amp K Precision
59. to our company for details 1 Write the antenna gain to text file Please create a new text file by new creation of a personal computer and open by the text editor Format 99 66 7 66 Frequency Antenna gain Frequency Antenna gain Frequency Antenna gain Example case of AN 305 300M 0 0DB 350M 1 0DB 400M 1 4DB 450M 1 4DB 500M 0 0DB Please write unit with a capital letter Moreover Frequency can also use G GHz 2 It writes in by PC software AK 2650 Connect the personal computer to 2650 2658 by RS 232C interface cable Turn on the power of 2650 2658 Start the PC software AK 2650 Please set the same baud rate of 2650 2658 and AK 2650 Refer to 2650 2658 operating manual for details On the case of electric field strength measurement please choose File Write E F User Data on the case of magnetic field strength measurement please choose File Write M F User Data from the upper menu of software and select the text file which made some time ago Then data is wrriten 4 Method 2 of writing data It is method of writing in which does not use AK 2650 A user needs to prepare communication program 1 Prepare the RS 232C communication software Connect the personal computer to 2650 2658 by RS 232C interface cable Turn on the power of 2650 2658 Start the RS 232C communication software Please set the same baud rate of 2650 2658 and software and unite the setting o
60. transmitted when CURR is selected 22 1 Selecting the trace to transfer Use L to select a trace CURR gt 00 lt 01 02 03 98 lt gt 99 An asterisk appears when there is a saved trace at the selected number as well as SAVE LOAD 22 2 Selecting the communication speed baud rate Use to select a baud rate 2400 gt 4800 9600 19200 gt 38400 22 3 Transfer the data Press to start the transfer The data are transmitted as ASCH cord character strings 51 Contents of data This means that the data from the next line are setting parameters CF Center frequency Refer to 1 CF 2 5140G This means that the data from the next line are trace data These are trace data Ten two digit hexadecimal characters 24 20 1 1f le separated by commas make a line and there are 26 lines 251data of data in total For Trace 1001 data transfer there are 101 lines 1001 data of data in total CR OD HEX LF OA HEX is added to the tail of every data 1 Center frequency 2650 CF 0 0M 0 1M to 999 9M 0 1step 0 0001G to 3 3G 0 0001step 2658 CF 0 0M 0 1M to 999 9M 0 1step 0 0001G to 8 5G 0 0001step 2 Frequency span 2650 SP x ZERO 200k 500k 1M 2M 5M 10M 20M 50M 100M 200M 500M 1G 2G FULL 2658 SP L ZERO 200k 500k 1M 2M 5M 10M 20M 50M 100M 200M 500M 1G 2G 5G FULL 3 Referen
61. unction screen shown below Ch Adj Occ E F M F E ee Select the sii function Ch Power 0 0 0 Channel power measurement Adj Ch Pw Adjacent channel leakage power measurement Occ BW lt lt 0 000 Occupied frequency bandwidth measurement E F ANT 0 0000000000 Electric field strength measurement es M F PROBE Magnetic field strength measurement optional Once you select the measuring function pressing next time will directly bring up the function screen for the function you selected the last time If you want to stop the measuring function or if you want to select another measuring function press F6 MEAS OFF This stops the measuring function and switches to the above screen which allows you to select the measuring function The measuring function is stops when push while these 3 functions Channel power Adjacent channel leakage power Occupied frequency bandwidth are selected Because each 3 functions and marker operation cannot be used simultaneously Similarly the function of the marker stops when the functions of these 3 measurements are selected while using the marker The unit displays data in 251 horizontal dots but it internally captures the trace and calculates the measured value Channel power measurement Adjacent channel leakage power measurement and Occupied frequency bandwidth measurement in 1004 dots 38 19 1 Channel power measurement lt Ch Powe
62. ure to use the fuse supplied with the unit or specified one 6 4 Installing the battery When installing the battery turn the power off first disconnect the AC adapter open the battery cover on the back of the unit after removing the two screws as shown in the figure below and then take sufficient care to perform the installation Be sure to use the specified battery BP 2650 Battery cover all LL 6 5 Soft carrying case When carrying the unit or using it outdoors the soft carrying case is convenient You can also carry the AC adapter and printer with it putting them in the accessory pouch Avoid using the unit in the soft carrying case in places where temperature is high because with the soft carrying case the temperature inside becomes higher than the ambient temperature _22 7 Center Frequency lt FREO gt Press to switch over to the function screen shown below Center frequency can be set between 0 to 3 3GHz 2650 Center frequency can be set between 0 to 8 5GHz 2658 Center frequency may shift for the time being 1 to 10 sec after changing a setting 7 1 Setting with the step keys F1 F2 1 Each time is pressed the center frequency decreases in the set step size 2 Each time is pressed the center frequency increases in the set step size 3 Setting the step size Each time is pressed it is set in the following order E 0 1MHz gt IMHz gt 1
63. ust the level of the calibration unit so that the peak is at the top of the amplitude axis Oth div and regard the point set at that time as the reference Gradually lower the output starting from the reference and measure the amplitude value of 2650 Setting of 2650 Output of calibration unit Specifications Measurement value Judgment Display scales XdBm adjust it to the Oth div Reference 15dBm 15dBm unn Within 2sapma0sapaide T Within 85dBmei 6aBzidt_ XdBm adjust it to the Oth div Reference 15dBm 15dBm E Rn CEE 9 CET __ Setting of 2650 Setting of calibration unit Center frequency l00MHz Frequency 100MHz Reference level 15dBm Frequency span 10OMHZ RBW 3MHz VBW IMHz Sweep time Is Detection mode SMPL 65 BK PRECISION Limited Two Year Warranty B amp K Precision Corp warrants to the original purchaser that its product and the component parts thereof will be free from defects in workmanship and materials for a period of two years from the data of purchase B amp K Precision Corp will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form a sales receipt To obtain warranty coverage in the U S A this product must be registered by completing and mailing the enclosed warranty card to B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 wi
64. z gt Spurious characteristic at band 1 Example Discriminate SUPEKUTORAMU displayed on 7GHz 1 Set 2658 to SPAN 10OMHz and main frequency 7 GHz 2 Verify that SUPEKUTORAMU is at 7 GHz 3 Set 2658 to Main frequency 7 001 GHz 4 Measure spectrum and distinguish as follows Spectrum is at 7GHz Measurement data Spectrum is at 7 003 GHz gt SUPURIA S characteristic at band 1 17 Marker Peak Search lt MKR gt Press to switch over to the function screen shown below The display when a NORM marker is selected The marker is manually moved at NORM mode Peak search function NEXT peak search function are available MARKER PEAK SEARCH NORM DELTA The display when a ZONE marker is selected The marker moves to the biggest peak position automatically at ZONE mode inside specified zone marker PEAK n conv CONV NORM DELTA ZONE CNR WIDTH mw 17 1 Moving the marker se 3 to move the marker Use to put DELTA REF at the current marker position my 17 2 Setting the peak search lt PEAK SEARCH gt NORM mode Use to select NORM Use to move the marker to the maximum peak position Use to move the marker successively from higher to lower peak positions other than the maximum peak The marker moves to 10 peaks When you move the marker to the 10th peak or moving the marker the NEXT peak search function stops and the function display disappears ZONE

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